Update POM version numbers to 5.0.6-SNAPSHOT
Update auto-generated documentation

Repository: openmicroscopy/bioformats
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Generated by BIOFORMATS-5.0-latest-docs-autogen#285 (http://ci.openmicroscopy.org/job/BIOFORMATS-5.0-latest-docs-autogen/285/)
Merge pull request #1354 from melissalinkert/5.0.6-snapshot

Update POM version numbers to 5.0.6-SNAPSHOT
Merge pull request #1355 from snoopycrimecop/dev_5_0/latest/autogen

Update auto-generated documentation